[ 39.314421] ------------[ cut here ]------------ [ 39.315357] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.317728] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 39.319192] Modules linked in: [ 39.319789] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.322030] Tainted: [W]=WARN [ 39.322589] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.324137] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.325065] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 39.328239] RSP: 0018:ffff888017a47bc0 EFLAGS: 00010286 [ 39.329231] RAX: 0000000000000000 RBX: ffffed1002f48f78 RCX: ffffffff813a4050 [ 39.330502] RDX: ffff88801781b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.331773] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f48f2f [ 39.333055] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.334324] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017a47df8 [ 39.335613] FS: 00007f98eb48d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.337070] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.338130] CR2: 00007ffdccb39ef8 CR3: 000000000d0a8000 CR4: 0000000000350ef0 [ 39.339438] Call Trace: [ 39.339949] [ 39.340361] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.341280] ? __create_object+0x59/0x80 [ 39.342050] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.343018] __vmalloc_noprof+0x59/0x60 [ 39.343734] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.344628] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.345574] bpf_prog_alloc+0x39/0x200 [ 39.346310] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.347239] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.348166] do_seccomp+0x349/0x25e0 [ 39.348838] ? find_held_lock+0x2b/0x80 [ 39.349589] ? do_prlimit+0x310/0x610 [ 39.350334] ? __pfx_do_seccomp+0x10/0x10 [ 39.351126] ? do_raw_spin_unlock+0x53/0x220 [ 39.351964] ? _raw_spin_unlock+0x1e/0x40 [ 39.352705] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.353686] ? static_key_count+0x60/0x80 [ 39.354480] prctl_set_seccomp+0x4e/0x70 [ 39.355244] __do_sys_prctl+0xe6c/0x1d70 [ 39.356027] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.356846] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.357815] ? irqentry_exit+0xf3/0x650 [ 39.358577] do_syscall_64+0xbf/0x430 [ 39.359320] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.360279] RIP: 0033:0x7f98eb97f5cd [ 39.361007] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 39.364169] RSP: 002b:00007ffdccb386e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.365559] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98eb97f5cd [ 39.366830] RDX: 000055c4f3666e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.368110] RBP: 00007ffdccb38740 R08: 0000000000000000 R09: 00007ffdccb37de0 [ 39.369403] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c5317c7ad0 [ 39.370703] R13: 00007ffdccb38b70 R14: 000055c5317c8bc0 R15: 000055c5317d9780 [ 39.372023] [ 39.372452] irq event stamp: 1807 [ 39.373112] hardirqs last enabled at (1817): [] __up_console_sem+0x78/0x80 [ 39.374658] hardirqs last disabled at (1826): [] __up_console_sem+0x5d/0x80 [ 39.376206] softirqs last enabled at (1710): [] handle_softirqs+0x50c/0x770 [ 39.377781] softirqs last disabled at (1705): [] __irq_exit_rcu+0xc4/0x100 [ 39.379295] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.795762] ------------[ cut here ]------------ [ 42.796694] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.798717] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 42.800166] Modules linked in: [ 42.800779] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.802758] Tainted: [W]=WARN [ 42.803347] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.804817] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.805727] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 42.808945] RSP: 0018:ffff88801716fbc0 EFLAGS: 00010286 [ 42.809939] RAX: 0000000000000000 RBX: ffffed1002e2df78 RCX: ffffffff813a4050 [ 42.811226] RDX: ffff88800f0d1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.812491] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e2df2f [ 42.813781] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.815057] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801716fdf8 [ 42.816349] FS: 00007fa859222900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.817800] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.818902] CR2: 00007fa859714580 CR3: 000000000e39b000 CR4: 0000000000350ef0 [ 42.820202] Call Trace: [ 42.820682] [ 42.821149] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.822054] ? __create_object+0x59/0x80 [ 42.822797] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.823755] __vmalloc_noprof+0x59/0x60 [ 42.824525] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.825396] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.826336] bpf_prog_alloc+0x39/0x200 [ 42.827071] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.828000] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.828872] do_seccomp+0x349/0x25e0 [ 42.829608] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.830517] ? __pfx_do_seccomp+0x10/0x10 [ 42.831319] ? find_held_lock+0x2b/0x80 [ 42.832079] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.833067] ? static_key_count+0x60/0x80 [ 42.833832] prctl_set_seccomp+0x4e/0x70 [ 42.834614] __do_sys_prctl+0xe6c/0x1d70 [ 42.835396] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.836255] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.837238] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.838210] ? irqentry_exit+0xf3/0x650 [ 42.838978] do_syscall_64+0xbf/0x430 [ 42.839679] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.840648] RIP: 0033:0x7fa8597145cd [ 42.841347] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 42.844503] RSP: 002b:00007ffe6d03a750 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.845907] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa8597145cd [ 42.847194] RDX: 00005576be9dae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.848490] RBP: 00007ffe6d03a7b0 R08: 0000000000000000 R09: 00007ffe6d039e50 [ 42.849812] R10: 0000000000000000 R11: 0000000000000246 R12: 00005576f6d8dad0 [ 42.851116] R13: 00007ffe6d03abe0 R14: 00005576f6d8ebc0 R15: 00005576f6d9f780 [ 42.852437] [ 42.852878] irq event stamp: 1815 [ 42.853548] hardirqs last enabled at (1825): [] __up_console_sem+0x78/0x80 [ 42.855060] hardirqs last disabled at (1834): [] __up_console_sem+0x5d/0x80 [ 42.856586] softirqs last enabled at (1804): [] handle_softirqs+0x50c/0x770 [ 42.858132] softirqs last disabled at (1799): [] __irq_exit_rcu+0xc4/0x100 [ 42.859645] ---[ end trace 0000000000000000 ]--- [ 43.678282] ------------[ cut here ]------------ [ 43.679188] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.681205] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/251 [ 43.682644] Modules linked in: [ 43.683276] CPU: 0 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.685311] Tainted: [W]=WARN [ 43.685860] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.687373] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.688296] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 43.691509] RSP: 0018:ffff888017627bc0 EFLAGS: 00010286 [ 43.692480] RAX: 0000000000000000 RBX: ffffed1002ec4f78 RCX: ffffffff813a4050 [ 43.693771] RDX: ffff888018ea5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.695170] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ec4f2f [ 43.696461] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.697760] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017627df8 [ 43.699054] FS: 00007ff447eed900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.700501] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.701581] CR2: 00007ffee82b0ef8 CR3: 00000000101a6000 CR4: 0000000000350ef0 [ 43.702910] Call Trace: [ 43.703383] [ 43.703793] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.704690] ? __create_object+0x59/0x80 [ 43.705479] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.706441] __vmalloc_noprof+0x59/0x60 [ 43.707205] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.708071] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.709007] bpf_prog_alloc+0x39/0x200 [ 43.709691] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.710628] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.711529] do_seccomp+0x349/0x25e0 [ 43.712258] ? find_held_lock+0x2b/0x80 [ 43.713041] ? do_prlimit+0x310/0x610 [ 43.713742] ? __pfx_do_seccomp+0x10/0x10 [ 43.714527] ? do_raw_spin_unlock+0x53/0x220 [ 43.715364] ? _raw_spin_unlock+0x1e/0x40 [ 43.716147] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.717125] ? static_key_count+0x60/0x80 [ 43.717915] prctl_set_seccomp+0x4e/0x70 [ 43.718649] __do_sys_prctl+0xe6c/0x1d70 [ 43.719432] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.720276] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.721254] ? irqentry_exit+0xf3/0x650 [ 43.722024] do_syscall_64+0xbf/0x430 [ 43.722726] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.723679] RIP: 0033:0x7ff4483df5cd [ 43.724404] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 43.727654] RSP: 002b:00007ffee82afd80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.729040] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff4483df5cd [ 43.730325] RDX: 000055cf652ebe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.731613] RBP: 00007ffee82afde0 R08: 0000000000000000 R09: 00007ffee82af480 [ 43.732916] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cf803f9ad0 [ 43.734186] R13: 00007ffee82b0210 R14: 000055cf803fabc0 R15: 000055cf8040b780 [ 43.735469] [ 43.735934] irq event stamp: 1703 [ 43.736555] hardirqs last enabled at (1711): [] __up_console_sem+0x78/0x80 [ 43.738081] hardirqs last disabled at (1720): [] __up_console_sem+0x5d/0x80 [ 43.739588] softirqs last enabled at (1614): [] handle_softirqs+0x50c/0x770 [ 43.741154] softirqs last disabled at (1609): [] __irq_exit_rcu+0xc4/0x100 [ 43.742652] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:59638' (ECDSA) to the list of known hosts. 2025/11/18 18:58:20 fuzzer started 2025/11/18 18:58:20 dialing manager at localhost:34383 2025/11/18 18:58:20 checking machine... 2025/11/18 18:58:20 checking revisions... [ 44.636328] kmemleak: Automatic memory scanning thread ended 2025/11/18 18:58:20 testing simple program... [ 44.713115] cgroup: Unknown subsys name 'net' [ 44.766727] cgroup: Unknown subsys name 'cpuset' [ 44.779682] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 18:58:19 Registers: info registers vcpu 0 RAX=0000000000000046 RBX=ffff888018c3d340 RCX=0000000000000004 RDX=0000000000000003 RSI=0000000000000000 RDI=ffffffff81b2e764 RBP=ffffffff81b2e764 RSP=ffff88806ce08db8 R8 =0000000000000001 R9 =0000000000000001 R10=ffffffff8664f857 R11=0000000000000000 R12=0000000000000200 R13=0000000000000001 R14=ffff888009ef4cb8 R15=ffff888008c4b780 RIP=ffffffff84c71c8d RFL=00000046 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f4993d66700 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ff04e0ae000 CR3=0000000009e48000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=656e6e6f637369642064657669656365 XMM02=63736964203a31313a34313733352074 XMM03=66207463656e6e6f6373696420646576 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343137 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffff8880096fb780 RBX=0000000000000000 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8135e4bd RDI=fffffbfff0bc3ffc RBP=ffffffff85e1ffe0 RSP=ffff888009757758 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000008964 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff888009757840 RIP=ffffffff81529327 RFL=00000246 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fa8597da0b0 CR3=000000001e065000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=25252525252525252525252525252525 XMM01=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=662079726f6d656d20666f2074756f00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000